September weather forecast
Patchogue, NY

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Weather in September

The first month of the autumn, September, is also an agreeable month in Patchogue, New York, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 65.3°F (18.5°C).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from a moderately hot 78.1°F (25.6°C) in August to a pleasant 72.1°F (22.3°C). Patchogue's evenings during September maintain an average temperature of 65.3°F (18.5°C), aligning closely with the daytime temperatures.

Humidity

In September, the average relative humidity in Patchogue, New York, is 74%.

Rainfall

In September, the rain falls for 12.8 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 155.3 rainfall days, and 34.84" (885mm) of precipitation is accumulated.

Snowfall

April, June through September and November are months without snowfall in Patchogue.

Daylight

In Patchogue, New York, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:23 pm. On the last day of September, in Patchogue, sunrise is at 6:48 am and sunset at 6:35 pm EDT.

Sunshine

In Patchogue, New York, the average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the temperature in September in Patchogue?

Patchogue in September has an average high-temperature of 72.1°F (22.3°C) and an average low-temperature of 65.3°F (18.5°C).

What is the average humidity in September in Patchogue?

The average relative humidity in September in Patchogue is 74%.

How many days does it rain in September in Patchogue?

In Patchogue, New York, during September, the rain falls for 12.8 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Patchogue?

In Patchogue, New York, snow does not fall in April, June through September and November.

Does it snow in Patchogue in September?

In Patchogue, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Patchogue have in September?

In Patchogue, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September in Patchogue?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:35 pm EDT.

How many hours of sunshine does Patchogue have in September?

In September, the average sunshine duration is 9.2h.

What is the UV index intensity in September in Patchogue?

In Patchogue, New York, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Patchogue, NY

Average temperature in September - Patchogue, NY
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in September
Patchogue, NY

Average pressure in September - Patchogue, NY
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Patchogue, NY

Average wind speed in September - Patchogue, NY
  • Average wind speed in September: 10.4mph

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

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Average humidity in September
Patchogue, NY

Average humidity in September - Patchogue, NY
  • Average humidity in September: 74%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in September
Patchogue, NY

Average rainfall in September - Patchogue, NY
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in September
Patchogue, NY

Average rainfall days in September - Patchogue, NY
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in September
Patchogue, NY

Average snowfall in September - Patchogue, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").

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Average snowfall days in September
Patchogue, NY

Average snowfall days in September - Patchogue, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Patchogue, NY

Average daylight in September / Average sunshine in September - Patchogue, NY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
Patchogue, NY

Average sunshine days in September - Patchogue, NY
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in September
Patchogue, NY

Average UV index in September - Patchogue, NY
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

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Average cloud cover in September
Patchogue, NY

Average cloud cover in September - Patchogue, NY
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Patchogue, NY

Average visibility in September - Patchogue, NY
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Patchogue, New York, USA

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